Beardius fittkaui Pinho, Mendes et Andersen

Pinho, Luiz Carlos, Mendes, Humberto Fonseca & Andersen, Trond, 2013, Revision of Beardius Reiss et Sublette, 1985 (Diptera: Chironomidae), with the description of twenty new species, Zootaxa 3742 (1), pp. 1-78 : 39-40

Beardius fittkaui Pinho, Mendes et Andersen

Beardius fittkaui Pinho, Mendes et Andersen, 2009: 258 .

Material examined. Type material as in Pinho et al. (2009).

Diagnostic characters. The species belongs in the truncatus group. The male can be separated from all other members of the genus by the combination of the following characters: acrostichals present; and median volsella at apex of subtriangular projection of inferior volsella. The pupa by: tergite II with stronger shagreen orally; tergite VI with shagreen in anterior 2/3; tergites VII and VIII without shagreen; paratergite VIII with long spines; anal spur of tergite VIII with minute accessory teeth; and conjunctive IV/V with spinules in a single patch.

Description. The male was described in detail by Pinho et al. (2009). The structure considered to be the “median volsella” by Pinho et al. (2009) must be regarded as a basal subtriangular lobe of the inferior volsella while the 2–3 setae situated on the apex of this projection the wart-like median volsella.

Distribution. The species is recorded from the Amazonas State in Brazil ( Pinho et al. 2009).